The first draft of the requirements for ISO 13250-4, Canonical XTM is now available for review and comment at http://www.isotopicmaps.org/sam/cxtm/requirements.html Cheers, Kal -- Kal Ahmed, Techquila Standards-based Information Management e: kal@techquila.com w: www.techquila.com p: +44 7968 529531